| /* |
| * Copyright (c) OSGi Alliance (2008, 2009). All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.osgi.service.blueprint.container; |
| |
| import org.osgi.framework.ServiceException; |
| |
| /** |
| * A Blueprint exception indicating that a service is unavailable. |
| * |
| * This exception is thrown when an invocation is made on a service reference |
| * and a backing service is not available. |
| * |
| * @version $Revision$ |
| */ |
| public class ServiceUnavailableException extends ServiceException { |
| private static final long serialVersionUID = 1L; |
| /** |
| * The filter string associated with the exception. |
| */ |
| private final String filter; |
| |
| /** |
| * Creates a Service Unavailable Exception with the specified message. |
| * |
| * @param message The associated message. |
| * @param filter The filter used for the service lookup. |
| */ |
| public ServiceUnavailableException(String message, String filter) { |
| super(message, UNREGISTERED); |
| this.filter = filter; |
| } |
| |
| /** |
| * Creates a Service Unavailable Exception with the specified message and |
| * exception cause. |
| * |
| * @param message The associated message. |
| * @param filter The filter used for the service lookup. |
| * @param cause The cause of this exception. |
| */ |
| public ServiceUnavailableException(String message, String filter, |
| Throwable cause) { |
| super(message, UNREGISTERED, cause); |
| this.filter = filter; |
| } |
| |
| /** |
| * Returns the filter expression that a service would have needed to satisfy |
| * in order for the invocation to proceed. |
| * |
| * @return The failing filter. |
| */ |
| public String getFilter() { |
| return this.filter; |
| } |
| } |